Gaya APA

Indrawati, F. (S.a). Student Workbook : Operation Futurekids [4] (Cet. 1.--). Jakarta: Gramedia.

Gaya MLA

Indrawati, Frederica. "Student Workbook : Operation Futurekids [4]". Cet. 1.-- Jakarta: Gramedia, S.a. Text.